Testo 760-2 Digital HVAC Multimeter

7 Best HVAC Multimeter Reviews and Guide


If you are a professional electrician or want to keep your garage fully stocked with all the necessary tools and equipment, you may be looking for the best HVAC multimeter to round out your collection. There were numerous various instruments on the market that were suitable for this function in the past, such as voltmeters or ammeters.

However, these devices were relatively heavy for simple tasks like as measuring current, voltage, or resistance, and the analog readings also had a margin of error.

However, it is now a thing of the past because multimeters are available on the market that provides all-in-one measurement equipment for electricians.

When working with electronic components, an HVAC multimeter is required. This device has existed since the 1920s when radio receivers became popular. And they’ve been around for a good reason: they function well for a variety of electrical measurements.

For proper troubleshooting, HVAC systems require more precise and trustworthy results. Most HVAC systems have no room for interruptions owing to harsh weather conditions on the warmest or coldest days. Only the best HVAC multimeter can guarantee consistent HVAC operation. The question now is how to determine which meter is appropriate for HVAC work. We discovered a solution for you; simply read the evaluations provided below.

Whether you’re a professional HVAC expert or a do-it-yourself enthusiast, you’ll need an accurate and high-quality HVAC multimeter in your toolbox. Which allows you to check the right magnitude of voltage, currents, resistance, and other HVAC parameters.

It’s difficult to say which multimeter is ideal for HVAC systems, but we can find out by comparing the features and results of several meters. We can test each multimeter individually, which could take hours or days.

It may be difficult for you to spend your money testing all meters. Don’t worry, you won’t have to squander money or spend hours researching and testing because we’ve already done everything for you.

An electrician had to come across practically all forms of multimeters use regions in the HVAC profession, along with other HVAC tools utilization. They have some electronic circuits as well as automation systems with basic electrical functions. We also had to keep track of compressor rpm and temps.

Based on their application, there are numerous varieties of multimeters available on the market. There are a few factors to bear in mind for HVAC-related applications.

Safety Parameters:

When working with electronic equipment and tools, one of the most important things to remember is safety.
If the equipment is not safe to use, it can result in serious accidents that can be fatal to the user. Before purchasing a multimeter, you should first examine the safety regulations and safety circuits available.


One of the primary reasons to purchase a multimeter over other alternatives such as a voltmeter or an ohmmeter is the extensive set of capabilities accessible only on a multimeter. You will get a distinct set of features with each option, making the gadget more adaptable in terms of use. Premium alternatives for business applications include capabilities such as accurate RMS, min/max record, auto-ranging, and so on.


While any multimeter on the market can provide you with test results, there are a few alternatives that can provide you with reliable and precise results. If the multimeter you’re using isn’t accurate, it’s useless in terms of application. Furthermore, such devices’ output cannot be trusted for high-end jobs involving pricey gear.
The best approach to determine a multimeter’s accuracy is to read the reviews provided by existing users and see if they had to second-guess its output.

Many buyers in the market are unfamiliar with the technical specs or qualities of products such as an HVAC multimeter. However, because HVAC systems are everywhere and a multimeter is always required when installing or repairing these systems, these devices are gradually becoming vital equipment for every family and company. As a result, we scoured the industry and discovered the top HVAC multimeter solutions for you.

We will explain each of our top recommendations on this list, as well as some useful information from our “Buying Guide,” to offer you a thorough picture of what you should know before purchasing an HVAC multimeter.

Best HVAC Multimeter 2023

Fieldpiece HVACR Clamp Multimeter
  • Battery-powered HVAC multimeter
  • Offers up to 600 Volts voltage range
  • Up to 40 MΩ resistance can be measured
  • One of the highly compact and portable options
Klein Tools HVAC Multimeter Kit
  • Battery-powered HVAC multimeter
  • Offers up to 1000 Volts voltage range
  • -40 to 572 degrees Fahrenheit temperature range
  • Dual IR/Probe Thermometer
Testo Digital HVAC Multimeter
  • Corded Electric HVAC multimeter
  • Offers up to 600 Volts voltage range
  • Comes with a large display
  • Supports auto ranging
Fluke 117/323 HVAC Multimeter Kit
  • CAT III 600 V safety rated
  • CAT IV 300 V
  • Fluke 117 Voltage AC/DC 600, Current 10 A
  • Fluke 323 clamp meter Voltage AC/DC 600, Current 400 A ac
  • Resistance 40.00 MΩ
  • Capacitance 1000 uf
  • Continuity test
  • CAT IV-300V, CAT III-600V
  • Voltage AC/DC 600 V
  • Current AC/DC 10 A
  • Resistance 60 MΩ
  • Capacitance 10,000 uF
  • Frequency 50Khz
  • Temperature -40 to 400 celcius
  • Loz (low impedance mode)
325 Fluke HVAC Multimeter
  • CAT III 600 VCAT IV 300 V
  • Voltage AC/DC 600V
  • Current AC/DC 400 A
  • Resistance 40kΩ
  • Capacitance 1000 uF
  • Frequency 500 Hz
  • Temperature -10 to 400 degrees Celcius
  • Continuity with audible beep sound
Triplett 6-in-1 Hvac Meter
  • 00V AC / DC CAT IV
  • 1000V DC CAT III
  • 700V AC CAT III
  • Voltage 700V AC, 1000V DC
  • Current 10A AC/DC
  • Resistance 40 mega ohm
  • Capacitance 100uF
  • Frequency 10Mhz
  • Continuity, diode test

Fieldpiece HVACR Clamp Multimeter

Fieldpiece is also a well-known name for electronic products such as multimeters, vacuum gauges, HVAC charges, air kits, and many others.

As a result, we’ve included this fantastic Fieldpiece alternative on this list.

The Fieldpiece Compact HVACR Clamp Multimeter SC260 is ranked second.

As the name implies, this is a tiny and highly portable multimeter that is reasonably priced for its usefulness.

This is a real RMS clamp meter that also measures temperature and capacitance.

The Fieldpiece Compact HVACR Clamp Multimeter SC260 is developed exclusively for HVAC systems and operates well in both cold and hot conditions.

With the Fieldpiece Compact HVACR Clamp Multimeter SC260, Fieldpiece has managed to give a durable build quality despite the compact form factor.

For enhanced safety, you can use the non-contact measurements for voltage and amperage readings.

Furthermore, it can be utilized for continuity warnings and diode checks, which are critical for inspecting an HVAC system’s blower motor.

The Fieldpiece Compact HVACR Clamp Multimeter SC260 can automatically determine whether it is being used to measure capacitance or resistance, making your job even easier.


  • Non-contact voltage and amperage testing is available.
  • Supports continuity warning & diode test
  • Auto-select mode for ease of usage


  • The display is very compact

Klein Tools HVAC Multimeter Kit

Moving on to the affordable range of alternatives ideal for basic purposes, Klein Tools has a nice selection.

You’ve undoubtedly heard of this brand before because it also makes a variety of hand tools and testing equipment.

Klein Tools CL320KIT HVAC Kit is another all-in-one alternative for the top HVAC multimeters.

For safer use, this multimeter has a dual IR/probe design with a built-in thermometer and a dual-range noncontact voltage tester.

The Klein Tools CL320KIT HVAC Kit is also equipped with TRMS technology, allowing it to accurately measure AC current, NCVT, AC and DC voltage, resistance, frequency, duty cycle, continuity, and a variety of other parameters.

The thermonuclear included with the Klein Tools CL320KIT HVAC Kit is particularly appealing because it has a temperature range of -40 to 572 degrees Fahrenheit, making it suited for both household and commercial HVAC systems.

You can also use an infrared thermometer to verify the surface temperature for contact-free testing that ensures your and the device’s safety.

In cases when this is not possible, you can use the probe, which is useful for detecting temperatures near air vents and ducts.


  • Many great features are implemented
  • Comparatively cheaper alternative for an HVAC multimeter
  • Very safe options with all factors considered


  • Some features are overkill for basic applications.

Testo Digital HVAC Multimeter

Finally, we have another long-lasting and high-quality option for an HVAC multimeter suited for professional use.

This multimeter is manufactured by Testo and is one of the best options in the company’s extensive line of HVAC, combustion, emission, and flue gas testing equipment.

Finally, on our list of the top HVAC multimeters, we have the Testo 760-2 Digital Multimeter.

This is likewise a high-end alternative that is best suited for professional purposes.

It provides genuine RMS measurements, allowing you to utilize the Testo 760-2 Digital Multimeter for a range of HVAC system tests and receive quick and accurate results.

It also has an auto-test setup, which reduces prep time and allows you to complete tests rapidly.

Furthermore, to reduce the possibility of error and maximize the accuracy of results, the Testo 760-2 Digital Multimeter identifies the testing circuit and picks the appropriate range and meter configuration for the job.

The Testo 760-2 Digital Multimeter’s build quality is one of its outstanding characteristics.

From the outside, you’ll notice a tough shell that makes the device ideal for outdoor use.

Furthermore, the LCD display on the Testo 760-2 Digital Multimeter is larger than most other options at this price bracket.


  • One of the best options for outdoor usage
  • Build quality is very good
  • Large and easily accessible display


  • Requires 3 AAA batteries to work

Fluke 117/323 HVAC Multimeter Kit

Fluke is not a new term to anyone in the electrical or electronics fields.

They are experts at producing high-quality, highly accurate multimeters.

They have brought a slew of innovative and valuable features to the tools business.

When it comes to accuracy and dependability, Fluke multimeters are the market leaders.

Their performance has been unrivaled thus far, and they have demonstrated the longest working life of any multimeter.

Even after years and years of diligent use, they might still produce the desired outcomes.

This multimeter combo set included a fluke 117 and a 323 clamp meter.

This kit is sufficient for detecting any faults that may arise in some electrical and electronic systems.

A digital multimeter is designed to detect alternating current and direct current voltages up to 600 volts, as well as small current ranges.

Clamp meters are typically used to test high-level currents, and this clamp meter is rated for amps up to 400 AC.

This multimeter has some fantastic capabilities that are quite useful when troubleshooting HVAC issues.

It contains a true RMS function, which eliminates the need to worry about linear and nonlinear load concerns when obtaining readings.

As electrical technicians, we are aware that many electrical machinery and gadgets, particularly in the HVAC industry, have nonsinusoidal or nonlinear loads.

These types of unsteady loads cannot be recognized correctly by standard multimeters; only genuine RMS meters will operate.


  • Led backlit
  • Compatible optional magnetic hanger
  • Comes with Kitbag
  • Auto volt selection
  • TRMS
  • 3-year warranty
  • Durable Rugged material
  • 2 in 1 kit


  • Expensive


If you are new to the HVAC profession or do it as a part-time pastime, you probably do not want to invest extra money in a costly multimeter.

But don’t worry, we’re here to help by giving quality product reviews of both pricey and best-budget multimeters.

This FLIR HVAC multimeter is far more accurate than we would think for the price.

It has many unexpected characteristics, such as real rms and temperature sensing.

The stylish appearance and tough material of this multimeter amazed us.

It has a rubberized covered body that has been specifically built for drop protection.

We appreciated its style and color contrast, as well as its extra functionalities.

You’ll be glad to have it with you when doing basic maintenance or troubleshooting HVAC issues.

We were surprised to notice all of the unexpected functions that this multimeter has, such as genuine RMS technology and low impedance mode or Loz, which are really useful in the filtration of ghost voltages and distinguishing sinusoidal and nonsinusoidal loads.

It features a simple interface that is simple enough for a high school HVAC trainee or a novice DIY enthusiast at home to understand.

Lcd is significantly wider, and the numbers are easily visible from all angles.

There is no added clutter of symbols and information on the LCD panel, which can be bothersome at times during a demanding workday.

Just below the LCD are four inline well-paired buttons: held for holding reading value at any moment, rec to record signal to check minimum and maximum loads, the range for establishing ranges auto or manual, and mode for altering modes.


  • True RMS
  • Accuracy
  • Robust body
  • User-friendly interface
  • Micro amps measurements to test flame sensors
  • Wide LCD with backlit
  • Rubber casings to prevent damage in accidental drops
  • Best in budget


  • Nothing noticeable

325 Fluke HVAC Multimeter

The fluke 325 clamp multimeter is the second-best HVAC multimeter that made it onto this shortlist.

It has a reliable fluke legacy, a sturdy structure, and a lovely design, and guarantees pinpoint precision and longevity.

Fluke HVAC meters have already been laboratory verified for safety assurance, and this multimeter is also IEC safety standard 61010-1 approved.

It also includes a cat-level safety rating, indicating that this multimeter is suitable for Cat 3 up to 600V and Cat 4 up to 300V.

This best fluke multimeter for HVAC can measure current in cables up to 30mm in diameter without disrupting the circuit.

It boasts a small ergonomic shape and strong construction, making it ideal for usage in harsh conditions and extreme temperatures.

Around the soft running rotary selector switch of the multimeter are simple nicely printed parameter symbols.

You may quickly adjust the selecting wheel to do the measurement you want.

It comes with a high-quality carry-on handbag for easy transportation.

The package also includes high-quality test leads and thermoplastic.

Caps are included with test leads to keep dirt off the probe tips.

So you may always make dirt-free connections to get the most accurate and noise-free outcomes.


  • Higher dc amps capacity
  • Backlit LCD
  • Large display
  • Safety certifications
  • Highly accurate and precise
  • Longevity
  • Ideal for both linear and nonlinear loads


  • Limited warranty
  • No auto range

Triplett 6-in-1 Hvac Meter

During their normal duties, HVAC professionals frequently had to face a variety of obstacles.

They had to examine the temperature, air quality, fire alarm system response, and many other electric applications on a regular basis.

In addition, there is a lot of electrical equipment in HVAC systems that need to be closely monitored and maintained.

So having the proper superior quality HVAC multimeter with all connected parameters is the only alternative.

This multimeter offers some unique features in addition to the standard capabilities found in common multimeters in this price range.

One of its remarkable features is the relative humidity test.

At any time, you can measure the relative humidity of the environment.

This feature is extremely useful for HVAC professionals since it allows them to regulate machines based on humidity levels.

In addition to the humidity test, this multimeter also includes sound and light testing.

Sound intensity can be measured in any noisy environment, such as home theaters or companies with heavy machinery.

With the help of this multimeter, you can also measure the decibel levels of fire alarms.

Its incredible environment test can consistently provide all three results for humidity, sound, and light at the same time.

The light test measures illumination in lux, and this multimeter has a durable silicon sensor that always produces correct findings.


  • 3-year Warranty
  • Robust body
  • Drop resistant
  • Built-in stand
  • Test lead holder
  • Overload protection
  • Auto and manual ranging
  • Backlight
  • Low battery indication
  • Dust and splashproof


  • Poor battery life
  • Low amps range

Buying guide for the Best HVAC Multimeters

Purchasing a new multimeter can be a hard procedure, especially if you are unfamiliar with these instruments or their specifications. Finding the greatest HVAC multimeter within your budget, unless you are a professional electrician, can be difficult since you must evaluate a number of variables before you can choose one option among hundreds on the market.

In general, everyone will advise you to review the specs list provided with the product to determine its suitability for your job. However, this is insufficient if you do not understand what these parameters signify or how they affect the compatibility or performance of an HVAC multimeter.

To assist you, we’ve put together this handy buying guide for the finest HVAC multimeter. In this post, we will discuss the most crucial characteristics to look for when selecting an HVAC multimeter in order to get the greatest value within your budget.


The most significant consideration in multimeter selection is safety. A multimeter should be correctly developed in accordance with safety standards such as UL and CE, IEC, and CAT safety ratings.

You should first examine the specifications to see if your multimeter is overload protected, has a fuse, and has all other safety features. It would be ideal if the multimeter was laboratory tested and calibrated, however, this would need an additional investment.


Having the correct reading is critical for HVAC troubleshooting. Finding flaws in any electrical system is nearly impossible without reliable results.

As a result, accuracy is a crucial factor to examine when making a purchase. Also, keep in mind that most low-cost multimeters are not accurate enough to do difficult troubleshooting jobs. You should be prepared to spend more money on it.

Please keep in mind that uncalibrated lab multimeters can produce inaccurate results. Most multimeters costing more than $100 are calibrated and tested.


Distinct applications will necessitate the use of different characteristics in multimeters. For example, if you merely want to buy a multimeter for ordinary household use, such as monitoring battery voltage level, main supply voltage, and current consumed by electric appliances, you don’t need to buy pricey multimeters like a fluke.

If you’re looking for multimeters for industrial or commercial HVAC systems, look for features like accurate RMS, low impedance mode Loz, min/max record, auto/manual range, temperature readings, UL certification, and other helpful features.


Most low-cost multimeters have a useful life of 2 to 3 years if used and stored properly. Meters constructed using durable body materials such as ABS plastic, on the other hand, may survive up to 10 years or more with the same accuracy and condition.

Before making a purchase, we strongly advise you to examine your work environment and usage habits.


Of course, budget is a significant consideration because none of us have additional cash to spend on pricey things. If you are on a tight budget, don’t worry; several brands provide ordinary multimeters at inexpensive prices.

You may still obtain the best budget multimeter with the same quality and features as more expensive models; you just need to spend some time looking at specifications and reading detailed reviews.

If you’re looking for multimeters for professional or industrial use, we recommend opting for high-quality meters that are fully calibrated and exact, regardless of price.


How to use an HVAC multimeter?

Before you begin using an HVAC multimeter, we recommend that you read the instruction booklet that comes with the instrument to acquire a thorough understanding of the gadget. Even though the core operating concept is very much the same for all devices, it varies slightly depending on the manufacturer.

You can also locate tutorial videos about the item on the manufacturer’s website to gain a full understanding of how to use it. After you’ve set up the multimeter, all you have to do is pick the appropriate measurement mode using the rotor selector wheel and connect the probes to get an output.

How many readings can I save in the memory of an HVAC multimeter?

The default memory for each multimeter is different. As a result, the number of observations that you can save on your HVAC multimeter may differ from that of its competitors. If you choose a low-cost choice, it may not even have an onboard memory chip in the first place.

As a result, you will be unable to save any observations. However, practically all conventional HVAC multimeters include onboard memory with ample storage capacity to save at least 400 measurements.

Is it possible to check an HVAC blower motor with a multimeter?

Yes, if you buy an HVAC multimeter, you can test the elements of an HVAC blower motor. You can use such a device to test the motor’s supply voltage, current, winding continuity, resistance, and other parameters. Simply connect the red and black test probes to the motor’s 2 or 3-phase wire and examine the display for results.

To measure the current, use the meter’s clamp head and select the current range option via the rotary switch. To check the continuity of the winding, simply turn off the power supply to the motor, and then check the continuity of the winding via the motor’s connecting box.


Today, we have provided you with a list of the top HVAC multimeters on the market right now, so you don’t have to sift through hundreds of possibilities and compare the specs of each option that comes within your price range. These solutions have been tried and tested by thousands of people, so you have no reason to dispute their accuracy or reliability. You can simply examine all of the critical parameters of an HVAC system and control its parameters based on the output you want with the correct HVAC multimeter.

It is also important for detecting faults in the system without the requirement for an expert. Aside from fundamental elements such as current, voltage, and resistance, certain advanced options also support checking features such as temperature range, capacitance, frequency, duty cycle, and so on, which you may find useful in the future.

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